Colorimetric substrates for ELISA applications
| Substrate | Enzyme | Absorbance and color |
|---|---|---|
| OPD Substrate | HRP | 490 nm (450 nm) Green (Orange) |
| PNPP (p-Nitrophenyl Phosphate) | ||
| 1-Step PNPP Substrate Solution | AP | 405 nm Yellow |
| PNPP Substrate | AP | 405 nm Yellow |
What is HRP label?
HRP is a popular detection label used in research. Antibody-HRP conjugates are commonly used in ELISA, IHC, and western blotting. HRP can be conjugated to the primary antibody for direct detection or secondary antibody for indirect detection.
What is HRP A?
1.1 Horseradish Peroxidase (HRP) HRP (donor:hydrogen peroxide oxidoreductase; EC 1.11.1.7), derived from horseradish roots, is a enzyme of molecular weight 40,000 that can catalyze the reaction of hydrogen peroxide with certain organic, electron-donating substrates to yield highly colored products (Figure 22.1).
What is HRP assay?
Introduction. Horseradish peroxidase (HRP) is an enzyme that when in the presence of hydrogen peroxide, oxidizes a substrate (oxygen donor), resulting in a color change that is quantifiable. There are about 40 HRP isoenzymes.
Is HRP an antibody?
HRP (horseradish peroxidase) is an enzyme frequently used as an indicator in biochemical assays. HRP is often conjugated to an antibody to detect a target molecule. The antibody specifically locates the target, and HRP, in company with a substrate, and produces a detectable signal.
How do HRP conjugated antibodies work?
HRP Conjugates Horseradish peroxidase (HRP) is an enzyme used to amplify signal in photometric assays by catalyzing the conversion of chromogenic or chemiluminescent substrates for the detection of targets such as proteins, carbohydrates, and nucleic acids.
Is HRP sensitive to light?
Yes HRP is light sensitive. It is important to avoid excessive exposure to light, Therefore using dark moisture chember is very useful during these steps.
What is HRP used for?
Horseradish peroxidase (HRP) is an enzyme used to amplify signal in photometric assays by catalyzing the conversion of chromogenic or chemiluminescent substrates for the detection of targets such as proteins, carbohydrates, and nucleic acids.
